bug#57503: 28.1.91; package-selected-packages should not be saved to custom-file

[Robert Pluim]

>>>>> On Fri, 02 Sep 2022 13:11:39 +0000, Philip Kaludercic 
>>>>> <philipk@posteo.net> said:
    >> IMHO the value of package-selected-packages should be written to a 
separate
    >> file, so that it's possible to put it under version control or ignore it,
    >> independently from the rest of one's configuration.

    Philip> How about writing it into a file like 
"~/.config/emacs/elpa/selected-packages"?

Didnʼt Lars add `define-multisession-variable' exactly for this kind
of use case?

Robert
--